AVR单片机ATmega8使用USB转UART。

3*4键盘扫描程序 已加消抖功能 可以扩展为4*4~~~ 只用8个I/O口就能实现-3* 4 keypad scanner Buffeting extinction have been added functions can be extended to 4* 4 ~ ~ ~ only eight I/O port will be able to realize

实现了can的收发功能 是个挺好的测试用例-The transceiver can achieve functional test cases is quite good

89c51的t6963驱动程序 图形写入方式，直接数据水平及垂直方向坐标，并将字库代码地址写入dptr便可使用。 作者：周长盛-89c51 the driver graphics writing, direct data horizontal and vertical coordinates of the direction and character code addresses will be used to write dptr. Author : Zhou Changsheng

改进的胶印机印刷控制程序，效率提高5倍。-Offset printing improved control procedures, improve the efficiency of 5 times.

12232液晶控制（sed1520）驱动程序-12232 LCD control (sed1520) driver

开发c51系列产品，用来驱动读写AT24C512芯片的。-C51 family of products developed for the drive to read and write AT24C512 chips.

STC12系列单片机10位AD转换C语言测试程序-STC12 Series single-chip 10-bit AD conversion C language test program

《模拟I2C总线多主通信的通用软件包》,支持多主竞争，比如有多个单片机和I2C器件同时工作。- Simulation of multi-master I2C bus communications generic package to support multi-master competition, for example, has a number of SCM and I2C devices work at the same time.

简易电子琴的设计 一、 设计题目： 设计一简易电子琴，要求能够发出1、2、3、4、5、6、7等七个音符。 使用元件：AT89C51、LM324，喇叭，按键等 二、 设计目的 （1）能够对电子电路、电子元器件、印制电路板等方面的知识有进一步的认识，独立对其进行测试与检查。 （2）熟悉8051单片机的内部结构和功能，合理使用其内部寄存器，能够完成相关软件编程设计工作。 （3）为实现预期功能，能够对系统进行快速的调试，并能够对出现的功能故障进行分析，及时修改相关软硬件。 （4）对软件编程、排错调试、焊接技术、相关仪器设备的使用技能等方面得到较全面的锻炼和提高。-simple design of a flower, a design : a simple flower design, request, sent seven notes. Use Element : AT89C51, LM324, speakers, such as two keys, designed (a) to be able to electronic circuits, electronic components, such as printed circuit boards with the knowledge to further understanding of its independent testing and inspection. (2) familiar with the 8051"s internal structure and function and the rational use of its internal registers can be completed software programming design work. (3) To achieve the desired functionality, the system can quickly debugging, and the right to function failure analysis, the timely revision of the related hardware and software. (4) The right software programming, debugg

实现AD转换tlc549芯片的驱动，建模力量转化为数字量-TLC549 chip AD conversion realize the driving, modeling forces into digital